today a suicide bombing outside the u.s. embassy in ankara, turkey. that explosion ripped a door off the embassy, threw debris all over the street. turkey's prime minister says this is the work of a domestic militant group. >>> a changing of the guard of sorts at the state department. this was hillary clinton's last day as secretary of state. hundreds of her colleagues stood in the hallways as she gave her good-bye speech. president obama says he thinks clinton will go down as one of the finest secretaries of state ever. former senator john kerry took over the post after taking the oath of office in a private ceremony. >>> the jury which found a former culpeper police officer guilty of manslaughter recommended a sentence today and he's looking at spending the next three years behind bars. >> reporter: i'm peggy fox in culpeper where a jury decided that a former police officer will spend the next 36 months behind bars. the jury did not find harmon- wright acted with malice when he shot and killed patricia cook who was trespassing sitting in her jeep in